Term
| What are clinical signs of a partial obstruction |
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Definition
|
noisy breathing - Inspiratory stridor, cough/gurgling or unilateral wheeze, paradoxical/unequal respirations, use of accessory muscles, increased pulse and blood pressure, diaphoresis, alteration of level of consciousness, cyanosis
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Term
| What are clinical signs of a complete obstruction |
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Definition
|
marked inspiratory efforts without air movement - cannot speak; marked sternal, intercostal and epigastric retractions accompanied by strong contractions of accessory neck muscles of ventilation, nasal flaring, supraclavicular retractions, marked distress and extremely anxious, agitated or combative, marked attempts to ventilate, so violent as to resemble a seizure
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Term
| Most common airway obstruction |
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Definition
|
tongue, any time unconscious this is possible (drug overdose, etc). Sometimes called soft tissue
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Term
| causes of upper airway obstruction |
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Definition
|
tonuge or soft tissue, inspissated secretions (thick and glue-like), laryngospasm, laryngeal or subglottic edema, foreign bodies - (food, toys, dentures)
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Term
| What is the most fundamental way to establish a patent airway |
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Definition
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Term
| What are contraindications to head tilt / chin lift |
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Definition
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Term
| What would you do if cannot do head tilt/ chin lift |
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Definition
|
jaw thrush or modified jaw thrust (modified is better, always modified)
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Term
| contraindications to abdominal thrust |
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Definition
|
markedly obese, obviously pregnant, infants, rib fractures
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Term
| What to do if cannot do an abdominal thrust |
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Definition
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Term
| When to use a nasal airway vs an oral airway |
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Definition
|
unconscious, oral airway; conscious and use nasal airway.
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Term
| What are the complications of an oral airway |
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Definition
|
This airway should be left unsecured, gagging, vomiting, laryngospasm, airway obstruction
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Term
| What are the complications of a nasal airway |
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Definition
|
trauma, epistaxis (nasal bleeding), increased airway resistance
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Term
| What are reasons for intubation |
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Definition
|
to ventilate, but also to keep a patent airway; i.e. at risk to throw up and aspirate (drowning, suspected drug overdose), lots of suctioning, to deliver medications (can't get IV started is hint that would need to give drugs down ET tube)
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Term
| What are drugs that can be instilled in the ET tube |
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Definition
|
NAVEL (narcan - narcotic OD, atropine - bradycardia, valium/versed-sedation, epinephrine - asystole, lidocaine - PVCs) - double normal IV dose
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Term
| Physiological and psychological alteration |
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Definition
|
by-pass normal filtration, humidification and warming, less effective cough, disrupts mucus transport, loss of dignity, unable to communicate
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Term
| What are the complications of Intubation |
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Definition
|
infection, fever, secretions, etc.; cuff pressure is directly related to capillary pressures and should be equal to or less than 20 torr. Laryngospasm (most serious), right mainstem bronchus intubation
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Term
| Briefly describe procedure of intubation |
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Definition
|
position patient's head in sniffing position; adequately hyperoxygenate (resus bag with 100% o2 for two minutes); hold laryngoscope in left hand, ET tube in right; insert blade down right side of mouth (to scoop tongue); advance blade, lift epiglottis, visualize cords, have suction available; insert tube and inflate the cuff to assess tube position - ventilate and oxygenate
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Term
| What is first and quickest way to assess ET tube position |
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Definition
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Term
| What are the ways to assess ET tube position |
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Definition
|
bilateral chest movement first, auscultation, chest x-ray (2 cm or 1 inch above carina, right above aortic knotch); capnography or CO2 detector
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|
Term
|
Definition
|
suctioning, humidification, cuff pressure - minimal leak, minimal occulding volume, use high volume low pressure cuff
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Term
| Intubation blades, McIntosh vs Miller |
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Definition
|
McIntosh is curved like an apple, Miller is straight like the L's in Miller - Mcintosh adult typical; Miller infant typical
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Term
| Troubleshooting if light on blade doesn't work |
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Definition
|
check battery, bulb, blade
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|
Term
|
Definition
|
Adult - 3, child 2, infant 1, pre-term 0
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|
Term
|
Definition
|
Stylet oral intubation only; magill forceps for nasal intubation only
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|
Term
|
Definition
|
must be kept approximately 1 cm above end of ET tube, top should be bent to prevent advancement
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|
Term
|
Definition
|
correlete with weight in grams ; infant is 3; adult male about 8 and adult female about 7
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Term
| ET tube markings for oral and nasal |
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Definition
|
Oral 21-25 (low to mid 20's) nasal 26-29
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|
Term
|
Definition
|
low pressure, high volume is preferred, pressure should not exceed 20 mmHg
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|
Term
| What is double lumen ET tube |
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Definition
|
one side into each side of lung - different features of each lung. i.e. trauma, lobectomy with one lung traumatized and one is normal; or want to lavage one lung - any scenario where one lung should be treated different than the other
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|
Term
|
Definition
|
EMT, emergency, first response - quick way to establish an airway (temprorary)
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|
Term
|
Definition
|
surgical, and to establish permanent airway intubate through the tube and pull laryngeal mask up and over.
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|
Term
|
Definition
|
suction down the tube first (clean), then back of the throat (dirty) (below cuff and above cuff); deflate cuff; patient takes a deep breath in and pull tube out at peak inspiration (and to prevent damage to vocal cords); stand by and observe for adverse reactions
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Term
| What are extubation hazards |
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Definition
|
severe stress, severe stridor, marked distress - word severe major obstruction and re-intubate; moderate is not emergency and action is oxygenate, cool aerosol, and racemic epinephrine. Mild is no treatment, monitor
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Term
| indications of tracheostomy |
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Definition
|
preferred method of providing a/w for patients who require long-term ventilation; when upper airway obstruction prevents intubation; if not an emergency done carefully with sterile environment; easier to stabalize suction and tolerate; pt is able to eat and speak, fewer hazards and less airway resistance
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Term
| Tracheostomy complications |
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Definition
|
immediate (within 24 hours) bleeding, pnemothorax, air embolism, subcutaneous emphysema. Late (24-48) infection, hemorrhage, obstruction, TE Fistula
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Term
| When can the cuff be deflated |
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Definition
|
the patient is eating, patient is on positive pressure ventilation
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Term
| How often is trach tube changed |
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Definition
|
not more than once per week
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Term
| When would trach tube be changed more than once per week |
|
Definition
|
obstructed - pull out, ventilate and insert a new one; tube too small (pressures too high to keep inflated); punctured cuff - unable to seal, would need to be replaced
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Term
| Care of trach after removal |
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Definition
|
do not suture stoma closed, apply sterile dressing and/or antibiotic, clean periodically with hydrogen peroxide, have patiet cough to clear secretions
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|
Term
|
Definition
|
white plastic trach tube, may have inner cannula for easy cleaning, has a soft cuff
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|
Term
|
Definition
|
has opening in outer cannula above the cuff, used for weaning and temporary mechanical ventilation with inner cannula, not used for code or in emergencies, when plugging the tube, be sure to deflate the cuff, remove inner cannula and then plug the trach tube, used for phonation
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|
Term
|
Definition
|
used to maintain stoma, used in some sleep apnea cases, allows tracheal suction and phonation with least amount of airway resistance, uncuffec, cannot be utilized for resusitation
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|
Term
|
Definition
|
ripping out larynx due to something like throat cancer- no longer have upper airway and will have a trach stoma but tube out of neck called laryngectomy tube which is their new airway and cannot intubate. If on ventilator, would intubate through laryngectomy tube (laryngectomy tube is the patient's new airway)
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Term
| When not to do postural drainage |
|
Definition
|
|
Term
|
Definition
|
bed position determines lobe; patient position tells you what segment
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|
Term
|
Definition
|
flat bed, upper lobes; elevated slightly middle lobes; high bed is lower lobes (basal segments)
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Term
| postural drainage how is the patient positioned |
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Definition
|
rotate the patient where would you be percussing, that is where located (i.e. flat on stomach, posterior because back facing up or turned to the left would be right side up therefore right side
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|
Term
|
Definition
|
deep breath followed by forceful exhalation
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Term
| PEP - positive expiratory pressure |
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Definition
|
applying positive expiratory pressure mask using one way valve; flow resistor, resists exhalation and creates back pressure, 15-20 min intervals, 3-4 times per day patients with lots of secretions
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|
Term
|
Definition
|
weighted ball, blow in lifts ball up and air escapes which changes pressure and ends up fluttering and creating vibrations inside and mobilizes secretions - simple, mobile
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|
Term
|
Definition
|
breathing exercises - changing volumes (little breath, big breath) free
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Term
| external percussive device |
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Definition
|
vibrating vest - expensive
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|
Term
|
Definition
|
Intrapulmonary percussive ventilation - machine used to mobilize secretions
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|
Term
|
Definition
|
considerations in percussion for pediatrics and neonates - size of thorax, fear, positioning; duration of therapy will depend upon patient need and/or tolerance; presence of chest tubes, fractured bones; treatments should be scheduled prior to and coordinated with chest physical therapy
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|
Term
|
Definition
|
patent airway, specimen collection, stimulate cough
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Term
| Indications of suctioning |
|
Definition
|
accumulated secretions, obstructed airway, depressed cough, inability to swallow
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|
Term
|
Definition
|
trauma to mucosa (most common), lubricate catheter, use gentle technique; contamination (use aseptic); hypoxemia (leading to tachycardisa, arrythmia - most severe); bradycardia (vagal nerve stimulation)
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|
Term
|
Definition
|
vigorous suction can cause bleeding; 100% O2 pre and post is required, lasting 1-2 minutes; ECG is important to detect problems caused by iatrogenic hypoxemia; sterile catheter and sterile solution and sterile gloves each time; section ET tube first and then mouth; change catheter after suctioning mouth, then suction ET tube
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Term
| What are factors affecting the rate of evaporation and resulting in absolute humidity |
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Definition
|
temperature - increased temp increases rate of evaporation; pressure - indirect relationship with rate of evaporation; surface area - direct relationship with rate of evaporation; time - amount of time gas is exposed to all these other factors
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Term
| What are the goals of humidity therapy |
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Definition
|
pervention of mucosal crusting, compensate for humidity deficit
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Term
| What is insensible water loss |
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Definition
|
water lost from the lungs and skin, breathing, sweating
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Term
| What can happen if improper humidity is not maintained |
|
Definition
|
thickened secretions and heat loss through evaporation
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|
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Term
| What are hazards of humidity therapy |
|
Definition
|
possible contamination of source
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|
|
Term
| Aerosol as foreign object in lower airways |
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Definition
|
can increase airway resistance, cause coughing and cause bronchospasm
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Term
| What is the effect of particle size on aerosol |
|
Definition
|
larger particle size, higher in respiratory tract the particle will deposit - therapeutic size is 1-10 microns
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|
|
Term
| What effect does ventilatory pattern have on aerosol deposition |
|
Definition
|
major effect, optimum pattern is slow deep inspiration with an inspiratory hold and passive exhalation, pt should breathe slowly through mouth
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|
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Term
| What are goals of aerosol therapy |
|
Definition
|
relieve bronchospasm and mucosal edema, thin tenacious secrtions, humidify respiratory tract, administer drugs
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|
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Term
| what are hazards of aerosol therapy |
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Definition
|
bronchospasm (bronchodilator is the tx), secretion swelling and a/w obstruction (tx is suction); fluid overload in CHF renal failure and infants, tx is monitor I&O and wight; cross contamination (large volume heated aerosol)
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Term
| When is a passover or bubble humidifier typically used |
|
Definition
|
in conjuction with infant vents and circuits, least effective in humidifying an artificial a/w unless heated
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|
Term
| Suction vacuum pressure ranges |
|
Definition
|
adult 100-120 mm Hg (20 mm range for child and infant)
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|
|
Term
| Procedure for adjusting pressure range on vacuum regulators |
|
Definition
|
adust with tubing occluded
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|
|
Term
| What type catheter would you use to suction left ain stem bronchus |
|
Definition
|
Coude tip catheter because it has a special angle
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|
Term
| When would want to use closed suction system catheter |
|
Definition
|
allows patient to receive ventilation ad oxygenation during suctioning, so it is indicated for patient with high oxygen and or PEEP requirements.
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|
|
Term
| what should the external diameter of the suctino catheter be |
|
Definition
|
ideally no greater than 1/2 the inside diameter of ET or TRACH tube. Formula is ID size/2x3
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|
Term
| What are common modifications of suctioning |
|
Definition
|
changing size and type (if having difficulty, using a coude catheter is used to suction left bronchus, changed to closed system: , alter negative pressure; instill irrigating solutions, alter frequency of suctioning (PRN ONLY), alter duration (15 seconds is max)
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|
|
Term
|
Definition
|
check catheter for patency, assure vacuum system is working, change or empty full collecton bottle, check all connections
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|
Term
| when to use bubble humidifier |
|
Definition
|
delivering oxygen with nasal cannula or simple mask
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|
|
Term
|
Definition
|
in the vent circuit between wye and patient - patient transport and short-term ventilation
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|
|
Term
| Wick humidifier when to use |
|
Definition
|
low risk of cross-contamination, delivers 100% body humidity; heated humidifier used in ventilators used with artificial airway.
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|
|
Term
|
Definition
|
does not delivery 100% humidity, transport and short-term ONLY
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|
|
Term
|
Definition
|
must be removed during therapy
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|
|
Term
|
Definition
|
wires inside circuit, heats tubing so that the water remains evaporated as a gas to the patient.
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|
|
Term
|
Definition
|
produces particles and not humidity
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|
|
Term
|
Definition
|
small nebulizer used for medication delivery
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|
|
Term
|
Definition
|
used to deliver bland aerosols to the upper airway to decrease the chances of edema or humidty deficit
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|
|
Term
| troubleshooting large volume jet nebulizer |
|
Definition
|
no aerosol coming out in inspiration or expiration - INCREASE THE FLOW
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|
Term
|
Definition
|
small particle aerosol generator - used for ribavirin - goes along with scavenger system which captures particles so others don't inhale
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|
|
Term
|
Definition
|
goes with SPAG, removed drugs not inhaled by patient
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|
|
Term
| ultrasonic (electronic) nebulizer |
|
Definition
|
high output - used for someone with tenacious secretions because has highest output of aqueous solution - can overhydrate
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|
|
Term
| what is adjusted on ultrasonic nebulizer |
|
Definition
|
amplitude and not frequency (which is set at factory and determines particle size) amplitude would adjust amount of particles
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|
|
Term
|
Definition
|
dry powder inhaler - similar to MDI but does not contain propellent
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|
|
Term
|
Definition
|
metered dose inhaler - shake, mix, fine mist means working, patient must do properly, use spacer to make work better. Spacer helps overcome coordination problems.
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Term
| modifications of humidity therapy |
|
Definition
|
change type of equipment - ultrasonic nebulizers are used to help tin out thick secretions; change dilution of medication; adjust temperature of aerosol - if thick secretions occur; check temp on jet nebulizers (98.6 or 37); modify patient breathign patterns - if tingling in fingers or lighheadedness make sure pat rate is slow with inspiratory hold; change aerosol output - if unable to see ist increase flow meter setting or add a tandem setup (bleed in system of additional flow)
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|
Term
| Sympathomimetic (Adrenergic) responses - alpha, Beta1, Beta2, Beta2 agonist |
|
Definition
|
alpha - vasoconstriction of arteriolar smooth muscles (most blood pressure meds); B1 - heart; B2 lungs therefore most respiratory drugs; B2 agonist = bronchodilator
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|
Term
| Beta Sympathomimetic - aka front door bronchodilators |
|
Definition
|
levalbuterol (xopenex); albuterol - ventolin/proventil; metaproterenol - alupent/metaprel; terbutaline - brethine/bricanyl; btolterol - tornalate; pirbuterol - maxair; salmeterol - servent
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|
Term
| What are side effects of beta adrenergic bronchodilators |
|
Definition
|
tachycardia; palpitations; hyper/hypo tension; headache, tremors and shakes; paradoxical hypoxemia; tachyphylaxis (lack of response to drug over time); nausea/vomiting - any of these occur, stop therapy notify nurse/doctor, chart results - check dosage then frequency
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|
Term
| Anticholinergics or parasympatholytics - back door bronchodilators |
|
Definition
|
atropine sulfate; iptratropium bromide - atrovent; tiotropium bromide - spiriva; glycopyrrolate - robinul; oxitropium bromide - oxivent
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|
|
Term
| xanthine drugs - side door bronchodilators |
|
Definition
|
thophylline, oxytrphyllin; inhibor drug that indirectly increases cAMP which cuases bronchodilation, narrow range of safety, blood levels important to monitor
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|
Term
| what are signs of xanthine toxicity |
|
Definition
|
tremors, nausea and vomiting, nervousness, tachycardisa
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|
|
Term
|
Definition
|
acetylcysteine - mucomyst; dornase alpha - pulmozyme
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|
|
Term
| side effects of mucolytics |
|
Definition
|
bronchospasm, incompatibility with antibiotics, nause and vomiting, airway obstruction - must be given with bronchodilator
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|
|
Term
| asthmatic prophylactic agents |
|
Definition
|
inhibit histamine release; cromolyn sodium - intal; nedocromil - tilade - prophylactic for asthma and will not help in an attack
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|
|
Term
|
Definition
|
anti-inflammatory, immunosupressive, bronchodilating effect, used judiciously - status asthmaticus and asthmatic bronchitis - "sone" drugs and brand names like flovent, budesonide, solu-medrol
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|
|
Term
| side effects of corticosteroids |
|
Definition
|
adrenal suppression, hypertension and oran cadidiasis, treated with anti-fungal,to prevent rise with water after tx
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|
|
Term
|
Definition
|
mucosal vasoconstrictors, alpha effect causing vasoconstriction and reduced blood flow, treats subglottic edema and post extubation swlling - racemic epinephrine - vapoephrine; ; anti-histamine - interfere with histamine release
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|
|
Term
| drug sequence order of administration |
|
Definition
|
beta 2 (albuterol); anticholinergic (atrovent); steroid (azmacort)
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|
|
Term
|
Definition
|
non-steroid drug used for prophylactic asthma - zafirlukast - accolate; zileuton - zyflo; montelukast - singulair
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|
|
Term
|
Definition
|
cardiac glycosides - tx CHF, atrial tachy and fibrilation - examples are digitalis and digoxin, side effects of nausea, vomiting, headache , arrhythmias, pvcs; anti-arrhthmics - qunidine, propranolol for atrial arrhythmias; ventricular would be lido, procainamide, verapamil, amiodarone; brady would be atropine or epi
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|
|
Term
|
Definition
|
vasodilator used to decrease BP like diuretics - thiazides; sympatholytics - direct vasodilators; vasopressors (alpha adrenergic) norepinephrine, dopamine
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|